Product Name
Zinc Sulphate Heptahydrate
Chemical Name
Zinc Salt Heptahydrate
CAS No.
7446-20-0
Color & Physical Form
White Crystalline Powder
Active Ingredient
ZnSO4.7H2O
Specification:
Item
Standard
Actual result
Assay (as ZnSO4.7H2O)
Min 98%
98.50
pH
4.0 – 6.0
4.6
Zn-Content
Min. 21.50%
21.80
Chloride
NMT 0.01%
0.005%
Iron
NMT 0.005%
0.0005%
Copper
NMT 0.0005%
0.0001%
Cadmium
NMT 0.001%
Total Nitrogen
0.002%
Heavy Metals (as Pb)
0.001%